81163020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{17123}}^1$

素因数の和:17214

約数の個数: 48

約数和(自身を含む): 230146560

約数和(自身を除く): 148983540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 79, 158, 237, 316, 395, 474, 790, 948, 1185, 1580, 2370, 4740, 17123, 34246, 51369, 68492, 85615, 102738, 171230, 205476, 256845, 342460, 513690, 1027380, 1352717, 2705434, 4058151, 5410868, 6763585, 8116302, 13527170, 16232604, 20290755, 27054340, 40581510, 81163020]

約数ペア:

[(1, 81163020), (2, 40581510), (3, 27054340), (4, 20290755), (5, 16232604), (6, 13527170), (10, 8116302), (12, 6763585), (15, 5410868), (20, 4058151), (30, 2705434), (60, 1352717), (79, 1027380), (158, 513690), (237, 342460), (316, 256845), (395, 205476), (474, 171230), (790, 102738), (948, 85615), (1185, 68492), (1580, 51369), (2370, 34246), (4740, 17123)]